The global element stiffness matrix for a 2D truss element is:

: Visualize the results, such as deformed shapes or stress distributions. Specialized Toolboxes iFEM: an integrated finite element method package in MATLAB

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Finite Element Analysis (FEA) is a numerical method used to find approximate solutions to partial differential equations (PDEs) that describe physical phenomena like structural stress, heat transfer, and electromagnetics. For engineers and students, MATLAB offers a powerful environment to implement FEA because its core language is optimized for the matrix and vector operations central to the method.